/Engine/Source/Editor/ViewportInteraction/Public/ViewportInteractableInterface.h
Called when an interactor presses this object
virtual void OnPressed ( [UViewportInteractor](API\Editor\ViewportInteraction\UViewportInteractor) * Interactor, const [FHitResult](API\Runtime\Engine\Engine\FHitResult) & InHitResult, bool & bOutResultedInDrag )